William Blair & Company
SNDK

William Blair & Company’s Sandisk SNDK Stock Holding History

William Blair & Company’s Portfolio SNDK Stock Details SNDK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$15.6M Buy
6,883
+184
+3% +$263K 0.04% 300
2026
Q1 		$4.26M Buy
6,699
+1,412
+27% +$798K 0.01% 540
2025
Q4 		$1.26M Buy
5,287
+17
+0.3% +$3.4K ﹤0.01% 875
2025
Q3 		$591K Sell
5,270
-1,114
-17% -$65K ﹤0.01% 1063
2025
Q2 		$290K Sell
6,384
-101
-2% -$3.86K ﹤0.01% 1282
2025
Q1 		$309K Buy
+6,485
New +$322K ﹤0.01% 1248

Other funds holding SNDK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
CS
Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return

William Blair & Company's SNDK Position: Q2 2026 in Review

William Blair & Company increased its Sandisk (SNDK) stake by 2.7% in Q2 2026, buying an estimated $263K and bringing the position to 6,883 shares worth $15.6M. The position accounts for 0.04% of the portfolio, ranked #300.

William Blair & Company first reported a position in SNDK in Q1 2025 and has held it in 6 quarters since. 1,826 funds tracked by Wall St. Rank hold SNDK as of Q2 2026.

  • William Blair & Company held 6,883 shares of Sandisk worth $15.6M as of Q2 2026.
  • William Blair & Company bought 184 Sandisk shares in Q2 2026, an estimated $263K.
  • Sandisk made up 0.04% of William Blair & Company's portfolio in Q2 2026, its #300 holding.
  • William Blair & Company first reported a position in Sandisk in Q1 2025 and has held it in 6 quarters since.
  • 1,826 funds tracked by Wall St. Rank held Sandisk as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.